搜索结果: 1-15 共查到“国际动态 电学”相关记录15条 . 查询时间(2.234 秒)
Rutgers engineers create smartphone app to cut risk of power outages（图）
power outages Rutgers engineers
font style='font-size:12px;'>
2014/12/1
An easy-to-use smartphone app developed by Rutgers engineers will help keep the lights on in a heavily wooded New Jersey suburb that suffered widespread power outages during Superstorm Sandy.
Liberating devices from their power cords
Liberating devices their power cords
font style='font-size:12px;'>
2014/6/12
Imagine a future in which our electrical gadgets are no longer limited by plugs and external power sources.This intriguing prospect is one of the reasons for the current interest in building the capac...
美用石墨烯油墨打印出高导电柔性电极
电极 美用 石墨
font style='font-size:12px;'>
2013/5/6
据物理学家组织网近日报道，美国西北大学材料科学与工程学院研究人员使用含有微小石墨烯薄片油墨，以喷墨打印模式，打印出导电性能提高250倍、折叠时电导率仅有轻微下降的柔性电极，未来有可能生产低廉、大幅、可折叠且精美细致的电子设备。该研究成果发表在最新一期《物理化学快报》上。
压电效应首次在纳米尺度上产生
压电效应 纳米尺度 产生
font style='font-size:12px;'>
2010/8/30
据美国物理学家组织网报道，加拿大麦吉尔大学化学系研究人员发现了一种方法，能在一种名为“硒化镉量子点”的纳米半导体中人为控制压电效应，制出小到难以置信的高效能产品，比如纳米级血压计、纳米电池等。
瑞士成功研发最小电泵激光器 有望掀起芯片技术革命
瑞士 最小电泵激光器 芯片技术革命
font style='font-size:12px;'>
2010/4/19
据《每日科学》网站近日报道，瑞士联邦理工大学的物理学家开发出一种新型微激光器，其打破了目前激光器的可能长度范围，是迄今为止最小的电泵激光器，有望掀起芯片领域的技术革命。
瑞士联邦理工大学量子光电学专家克里斯多夫·瓦尔特博士及4位同事经过一年半的艰苦研究，创造了激光技术的新纪录。其开发的电泵激光器，长度仅为30微米，宽度为8微米，而波长为200微米，是迄今为止世界上最小的微激光器。
Toward more efficient wireless power delivery（图）
electricity the use of wires
font style='font-size:12px;'>
2010/4/21
In 2007, MIT researchers announced that they had discovered a novel way of transmitting electricity without the use of wires. Now, the researchers have demonstrated that the system’s efficiency at tra...
Enter the 'thermopower wave'（图）
the 'thermopower wave' carbon nanotube a high-speed wave
font style='font-size:12px;'>
2010/3/26
Researchers in the US and Korea have discovered that igniting a carbon nanotube, coated in chemically flammable material, can trigger a high-speed wave to race along the tube at 10,000× the speed of t...
Electrical signals transmitted via spin waves（图）
Electrical signals spin waves
font style='font-size:12px;'>
2010/3/26
Physicists in Japan have for the first time been able to transmit an electrical signal over a distance of one millimetre through an insulator using spin waves. The technique, which involves converting...
Big power from tiny wires（图）
Big power tiny wires carbon nanotubes new energy systems
font style='font-size:12px;'>
2010/3/24
A team of scientists at MIT have discovered a previously unknown phenomenon that can cause powerful waves of energy to shoot through minuscule wires known as carbon nanotubes. The discovery could lead...
Daylight device lightens electricity cost
solar radiation electricity
font style='font-size:12px;'>
2007/5/10
May 9, 2007，By combining a tilting platform, an acrylic dome and a light source that mimics the sun, MIT researchers are creating a device that will help manufacturers design window systems that bring...
NEMA Applauds Successful Conclusion of U.S.-Korea FTA Negotiations
electroindustry
font style='font-size:12px;'>
2007/4/11
03 Apr 2007,ROSSLYN, VA) - The National Electrical Manufacturers Association (NEMA) welcomed today’s announcement that negotiations between the United States and South Korea on a free trade agreement ...
Miniscule Generators Convert Motion Into Nanoscale Electricity Source
Electricity
font style='font-size:12px;'>
2007/4/6
April 5, 2007，In a breakthrough that could free nanomachines from the bulk of batteries, researchers have developed a novel nanogenerator--an array of tiny filaments that converts the smallest motions...
Edison Electric Institute Honors Electric Utilities with Emergency Recovery and Assistance Awards
electric utilities electric service
font style='font-size:12px;'>
2007/2/7
Scottsdale, AZ (January 10, 2007) - The Edison Electric Institute today honored 11 electric utilities for their outstanding efforts to restore electric service or assist other utilities in restoring s...
越南援助柬埔寨建设22千瓦电供网
电供网 基层建设
font style='font-size:12px;'>
2007/1/16
据柬埔寨《星洲日报》2007年1月14日报道，柬国家基层建设规划部长黄春林表示，发展边境地区乡村是柬政府的政策，也是柬、越两国总理促使两国边境地区发展与进步的共同目标。
我国量子化霍尔电阻基准达国际同类基准之首
量子化霍尔电阻基准 量子计量基准
font style='font-size:12px;'>
2004/9/14
具有我国自主知识产权的量子化霍尔电阻基准2004年9月13日通过专家鉴定，其10—10（10的负10次方）量级，百亿分之几的准确度达到国际同类基准之首。据研究单位中国计量科学研究院有关专家介绍，量子计量基准代表了国际计量基标准的最高水平，按照国际计量组织的规定，没有建立量子计量基准的国家，相应量值要向其他具有量子基准的国家溯源。